472663777 has 4 divisors (see below), whose sum is σ = 493214400. Its totient is φ = 452113156.

The previous prime is 472663759. The next prime is 472663787. The reversal of 472663777 is 777366274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 472663777 - 2⁷ = 472663649 is a prime.

It is a super-2 number, since 2×472663777² = 446822092175811458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472663777.

It is not an unprimeable number, because it can be changed into a prime (472663787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275277 + ... + 10275322.

It is an arithmetic number, because the mean of its divisors is an integer number (123303600).

Almost surely, 2^472663777 is an apocalyptic number.

It is an amenable number.

472663777 is a deficient number, since it is larger than the sum of its proper divisors (20550623).

472663777 is a wasteful number, since it uses less digits than its factorization.

472663777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550622.

The product of its digits is 2074464, while the sum is 49.

The square root of 472663777 is about 21740.8320217971. The cubic root of 472663777 is about 778.9640954755.

The spelling of 472663777 in words is "four hundred seventy-two million, six hundred sixty-three thousand, seven hundred seventy-seven".